Temperature Switches

Temperature switches, manufactured by United Electric Controls (UE), are constructed for general purpose and hazardous area locations with approvals certifying suitability for all regions of the world including USA, Canada, Europe, Russia, China, Korea, Mexico, Taiwan, and other countries. With increasing quest to improve safety after the disasters in the Chemical and O&G industry, an increasing number of our products meet IEC 61508 certified exida for SIL2 and SIL 3 applications. After reviewing our broad product line of temperature switches, please use our on-line Product Selector to identify the appropriate model for your application.

TEMPERATURE SWITCHES TEMPERATURE RANGES ENCLOSURE PRODUCT SERIES English Spanish -300°F to 1000°F -184°C to 538°C Type 4X/IP66 Explosion Proof Aluminum Alloy 360 Exd, ExnA ONE Series Safety Temperature Switches The One Series safety transmitter gives plant safety teams simple setup and faster, safer performance, right from the start - all at a more affordable price. The One Series Safety Transmitter Temperature Switch is available in versions that monitor temperature and pressure. They provide a 4-20 mA NAMUR standard output with exclusive "I Am Working™" diagnostics. A unique, high-speed safety relay output is provided for local alarm or emergency shutdown. -300°F to 1000°F -184°C to 538°C Type 4X/IP66 Explosion Proof Aluminum Alloy 360 Exd, ExnA & Ex ia* *1XSWLL Only ONE Series Electronic Hybrid Temperature Switches The One Series electronic temperature switch allows you to choose from explosion-proof, intrinsically safe and non-incendive models that monitor gage pressure, differential pressure or temperature. With up to two fully adjustable set points and deadbands, available 4-20 mA analog output, and absolutely no moving parts, these versatile instruments can now be used in a wide variety of applications where switches weren't previously considered. -130°F to 650°F -90°C to 343°C Certified to NEMA Type 4X and IP66 Class I, Division 1 product meets enclosure NEMA Type 7 Class II, Division I product meets enclosure NEMA type 9 Material: 316 Stainless Steel 12 Series Compact, Explosion Proof Temperature Switches Compact, Explosion-Proof Stainless Steel Quardruple approval (UL, cUL ATEX and IECEx) means the 12 Series meets the demanding requirements of critical applications within hazardous locations. Additionally, the 12 Series complies with ANSI/ISA 12.27.01, "secondary seal requirements for process sealing between electrical systems and flammable or combustible process fluids." It can be used in a variety of applications where space is at a premium. -130°F to 650°F -90°C to 343°C Meets NEMA Type 1 requirements Material: Lexan 54 Series Remote and Local Mounted Switches Remote and Local Mounted Temperature Switch offers the OEM a combination of reliable performance and low cost. Available in pressure and temperature versions, with single or dual SPDT outputs and enclosed or open frame (skeleton) construction, the 54 Series family provides design versatility. The 54 has been field-proven in a wide variety of OEM applications, including medical, laboratory, fire protection and heating equipment.   -130°F to 650°F -90°C to 343°C Meets NEMA Type 4X requirements Material: Epoxy powder coated die cast aluminum 55 Series Compact, Rugged, Dependable Temperature Switches Compact, Rugged, Dependable Temperature Switch provides rugged, dependable temperature control for many applications. Available in single or dual output versions, with either an epoxy coated enclosure (designed to meet NEMA Type 4X) or skeleton construction, the E55 combines flexibility with compact size. It has been used in diverse applications such as food service appliances, oven control, and heat tracing.   -125°F to 650°F -87°C to 343°C Meets NEMA Type 4X requirements Material: Epoxy powder coated die cast aluminum 100 Series Weather-Proof Temperature Switches Weather-Proof Temperature Switches are a cost-effective solution for process plants and OEM equipment. The 100 series rugged, one piece enclosure features a slanted cover for wiring accessibility. A wide variety of microswitch and process-connection options make this versatile series ideal for applications requiring a rugged weather-proof mechanical switch. The 100 series includes pressure, differential pressure and vacuum switches as well.   -120°F to 640°F -84°C to 337°C Meets NEMA Type 4X requirements Material: Epoxy powder coated die cast aluminum 117 Series Hermetically Sealed Temperature Switches Division 2 Hermetically Sealed hazardous locations and corrosive atmospheres, the 117 Series can be used to measure temperature in a variety of applications. Its compact, epoxycoated enclosure and hermetically sealed snap switch provide superior corrosion resistance within the harshest environments. Popular sensors in a variety of materials are available, ranging from all welded stainless steel to elastomer diaphragms. The 117 series includes pressure, differential pressure and vacuum switches as well.   -125°F to 650°F -87°C to 343°C Certified to NEMA Type 4X and IP66 requirements Class I, Division 1 product meets enclosure NEMA Type 7 Class II, Division I product meets enclosure NEMA type 9 Material: Epoxy powder coated die cast aluminum 120 Series Safety Switches As safety requirements become more stringent, the determining factor in specifying an industrial temperature switch rests upon that switch protecting equipment, processes and personnel. Meeting hazardous location requirements through worldwide approvals and certifications, UE's 120 Series is the choice where potentially explosive or highly corrosive atmospheres exist. The 120 Series includes pressure, differential pressure and vacuum switches as well. -125°F to 650°F -87°C to 343°C Meets NEMA Type 4X requirements Material: Epoxy powder coated die cast aluminum 400 Series Multi-Output Temperature Switches Multi-Output Switch is a versatile temperature switch for applications that require single or multiple switching capabilities. Dual and triple switch versions provide multi-output for alarm and shutdown, pre-alarm and alarm, high/low limit or level staging functions. The 400 Series includes pressure, differential pressure and vacuum switches as well.   -125°F to 650°F -87°C to 343°C Non explosion proof models: Meets NEMA Type 1 or 4 requirements Material: Epoxy powder coated die cast aluminum Explosion proof models: Meets NEMA Type 4X and IP66 requirements Class I, Division 1 product meets enclosure NEMA Type 7 Class II, Division I product meets enclosure NEMA type 9 Material: Epoxy powder coated die cast aluminum 800 Series Indicating Temperature Switch The 800 Series Indicating Temperature Switch is available in two versions: a Lexan® enclosure for enclosure type 1 or 4 applications (with option M300), and with Lexan® window and epoxy-coated aluminum enclosure for Div. 1 explosion proof applications. For applications that require a visual display of process temperature and set point, the 800 Series temperature switch offers a highly readable four inch setting/indication scale.